:root {
  --primary-blue: #0A5C99;
  --secondary-blue: #1473BA;
  --accent-color: #E65C00; /* High contrast CTA */
  --accent-hover: #CC5200;
  --dark-slate: #2C3E50;
  --light-gray: #F5F7FA;
  --text-dark: #333333;
  --text-light: #666666;
  --white: #FFFFFF;
  --border-color: #E2E8F0;
  --max-width: 1200px;
  --header-height: 80px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
}

body {
  background-color: var(--white);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--secondary-blue);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  color: var(--dark-slate);
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--primary-blue);
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--white);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  min-width: 280px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  border-radius: 4px;
  padding: 10px 0;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu,
.dropdown-menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border-color);
}

.dropdown-menu li:last-child a {
  border-bottom: none;
}

.dropdown-menu li a:hover {
  background-color: var(--light-gray);
}

.btn-cta {
  background-color: var(--accent-color);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-cta:hover {
  background-color: var(--accent-hover);
  color: var(--white);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark-slate);
  cursor: pointer;
  padding: 10px;
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(10, 92, 153, 0.9), rgba(44, 62, 80, 0.9)), url('./images/hero-bg.jpg') center/cover;
  color: var(--white);
  padding: 100px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Content Sections */
.section-pad {
  padding: 80px 0;
}

.bg-light {
  background-color: var(--light-gray);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

h2 {
  font-size: 2.2rem;
  color: var(--dark-slate);
  margin-bottom: 20px;
}

h3 {
  font-size: 1.5rem;
  color: var(--primary-blue);
  margin-bottom: 15px;
  margin-top: 30px;
}

p {
  margin-bottom: 20px;
  color: var(--text-light);
}

/* Breadcrumbs */
.breadcrumbs {
  background-color: var(--light-gray);
  padding: 15px 0;
  font-size: 0.9rem;
}

.breadcrumbs a {
  color: var(--primary-blue);
}

.breadcrumbs span {
  color: var(--text-light);
  margin: 0 10px;
}

/* Footer */
footer {
  background-color: var(--dark-slate);
  color: var(--white);
  padding: 60px 0 20px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h3 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 20px;
  margin-top: 0;
}

.footer-col a {
  color: #a0aec0;
  display: block;
  margin-bottom: 10px;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.9rem;
  color: #a0aec0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--white);
    flex-direction: column;
    padding: 20px;
    transition: 0.3s ease;
    overflow-y: auto;
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-left: 2px solid var(--primary-blue);
    margin-left: 10px;
    display: none;
  }
  
  .dropdown.active .dropdown-menu {
    display: block;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .section-pad {
    padding: 50px 0;
  }
}

/* Accessibility Focus States */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--primary-blue);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}